Wikipedia:Wikifun/Round 5/Answers/Question 8

Martin Nowak found that 25,964,951st power of 2 minus one is prime. Found through Current events of February. Grue 13:14, 14 Mar 2005 (UTC)

Martin Nowak found power 25,964,951, part of the last discovered Mersenne Prime number. First, I checked february 18, nothing, then february, nothing (i'm not familiar with the organization of content...), but february 2005, as reached from Current events, gave up Martin Nowak Circeus 16:45, Mar 14, 2005 (UTC)

Correct. As Circeus's answer was complete, but Grue was first and correct, 1 point each.